Finding the Fourth Proportional to 22,045.42, 30,420.12 and 13,093.30

Step by Step Solution

1. Step 1: Write the proportion equation
   22,045.42 : 30,420.12 = 13,093.30 : x
2. Step 2: Convert to fraction form
   22,045.42/30,420.12 = 13,093.30/x
3. Step 3: Cross multiply
   22,045.42x = 30,420.12 × 13,093.30
4. Step 4: Simplify right side
   22,045.42x = 398,299,757.20
5. Step 5: Solve for x
   x = 398,299,757.20/22,045.42
6. Step 6: Final answer
   x = 18,067.23